CK-12 Geometry-Concepts

http://www.ck12.org Chapter 7. Similarity

12

z

=

15

9 −z

15 z= 12 ( 9 −z)

15 z= 108 = 12 z

27 z= 108

z= 4

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Find the value of the missing variable(s).

1.

2.

Find the value of each variable in the pictures below.

3.

4.